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double-helical tooth; herringbone tooth; double helical tooth | |||
herring-bone tooth | |||
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continuous double helical teeth (makhno) |
шевронный зуб: 20 phrases in 8 subjects |
Armored vehicles | 1 |
Automated equipment | 2 |
Automobiles | 3 |
Mechanic engineering | 4 |
Mechanics | 1 |
Roll stock | 2 |
Technology | 5 |
Transport | 2 |